Actinopterygii (ray-finned fishes) > Gadiformes (Cods) > Macrouridae (Grenadiers or rattails) > Macrourinae
Etymology: Hymenocephalus:Named for its transparent membrane-like head covering (‘‘hymen head’’) and fragile nature of head bones (Ref. 100825); semipellucidus:Named in reference to its partially transparent head covering and the translucent caudal region where the vertebra cn be seen in fresh specimens.. More on author: Iwamoto.